Finding the Fourth Proportional to 2,539,243,840.05, 3,808,841,523.42 and 1,543,539,841.09
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Solution
The fourth proportional to 2,539,243,840.05, 3,808,841,523.42 and 1,543,539,841.09 is: 2,315,295,028.80
Step by Step Solution
- Step 1: Write the proportion equation
2,539,243,840.05 : 3,808,841,523.42 = 1,543,539,841.09 : x - Step 2: Convert to fraction form
2,539,243,840.05/3,808,841,523.42 = 1,543,539,841.09/x - Step 3: Cross multiply
2,539,243,840.05x = 3,808,841,523.42 × 1,543,539,841.09 - Step 4: Simplify right side
2,539,243,840.05x = 5,879,098,639,777,656,832 - Step 5: Solve for x
x = 5,879,098,639,777,656,832/2,539,243,840.05 - Step 6: Final answer
x = 2,315,295,028.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.